HRTs

On Friday Chris tweeted about some HRT - half rectangle triangles - that she was making. She lined up 2 rectangles, sewed 1/4" from the diagonal like you would with HSTs and came out with lovely kites!




Unfortunately she wasn't after kites. :( So on Sunday morning she woke me far earlier than anyone without kids would ever wake up to ask for my help. The diagrams I sent her were not quite this nice (since I had just woken up), but they were along the same lines.









These will require a bit more trimming to square them up. I've tried to come up with some formula or table to figure out starting rectangle -> finished rectangles, but it makes my head hurt! With squares it's easy to play with the Pythagorean theorem, but I don't see any rules here yet...


For my samples I started with 5" x 3" rectangles and ended up with 4.25" x 3.5" rectangles. Here are some layouts I was playing with. The aren't as versatile as HSTs, but I think they could make a cool design.


HRT optionsHRT options-2
HRT options-3HRT options-4

14 comments:

  1. hehe... I totally sleep til 10am on Sundays *ahem* at least til 10am. My sister (who has a newborn) & my best friend (also with a newborn) are really bad at knowing that just because they have been up for hours, doesn't mean that I have been!
    (phone rings. 8:15am. sunday)
    Sister: Hey, I'm bored...wanna go do something?
    Me: Sleeping...I'll text you later...
    (click)

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  2. Also, someone waking me up to do MATH/mathy type figuring? That would so not go well...I need at least 1 cup of coffee to spell my name correctly!

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  3. Oh yes, the coolness is strong with these ones!

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  4. Very cool! I'm glad you and Chris live close now. How fun to have a super crafty person near (and that goes for both of you!).

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  5. I love the design on the bottom right corner. But I'm puzzled. Shouldn't you end up with something smaller than 3"? I experimented with this and I ended up with something more like a 2 1/2" or 2 5/8" x 4 1/4" rectangle instead of 3 1/2' on that one side.

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  6. Too cool. Thank you.

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  7. If the seam goes right through the corner, then the seam won't go through the corner when they're pieced together because the angle isn't a 45 degree angle. I'm wondering how you might decide how to square them up to make sure the corners do what you want?

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  8. I love it. Thank you

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  9. I do similar, but only mark the middle line and use That Patchwork Places BiRangle template to "rectangle" or square them up.

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    Replies
    1. Yes, you need to be very careful or the final blocks will look very rough. The BiRangle is wonderful but only works for rectangles with side ratio 2:1, which is usually preferable. These rectangles neither started nor finished 2:1.

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  10. Cool idea but will try to work out a construction that won't result in the points being cut off when pieced together.....the challenge for the day!!! LOL!!!

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  11. Oh I have to tell you...the first thing I saw was the aperture of a camera. What a great photo memory quilt these would make! :-)

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